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authorWayne Lin <wayne.lin@amd.com>2023-12-05 14:55:31 +0800
committerAlex Deucher <alexander.deucher@amd.com>2023-12-19 15:21:33 -0500
commit989824589f793120833bef13aa4e21f5a836a707 (patch)
tree15d89050c2ea9a026c53664ddbbae96e4f9318b9 /drivers
parent3248211dd971ed2b614307eb42cecee3e6feecff (diff)
drm/amd/display: Add case for dcn35 to support usb4 dmub hpd event
[Why & how] Refactor dc_is_dmub_outbox_supported() a bit and add case for dcn35 to register dmub outbox notification irq to handle usb4 relevant hpd event. Reviewed-by: Roman Li <roman.li@amd.com> Reviewed-by: Jun Lei <jun.lei@amd.com> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/display/dc/core/dc.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 76b47f178127..5c1185206645 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -5095,18 +5095,28 @@ void dc_mclk_switch_using_fw_based_vblank_stretch_shut_down(struct dc *dc)
*/
bool dc_is_dmub_outbox_supported(struct dc *dc)
{
- /* DCN31 B0 USB4 DPIA needs dmub notifications for interrupts */
- if (dc->ctx->asic_id.chip_family == FAMILY_YELLOW_CARP &&
- dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0 &&
- !dc->debug.dpia_debug.bits.disable_dpia)
- return true;
+ switch (dc->ctx->asic_id.chip_family) {
- if (dc->ctx->asic_id.chip_family == AMDGPU_FAMILY_GC_11_0_1 &&
- !dc->debug.dpia_debug.bits.disable_dpia)
- return true;
+ case FAMILY_YELLOW_CARP:
+ /* DCN31 B0 USB4 DPIA needs dmub notifications for interrupts */
+ if (dc->ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0 &&
+ !dc->debug.dpia_debug.bits.disable_dpia)
+ return true;
+ break;
+
+ case AMDGPU_FAMILY_GC_11_0_1:
+ case AMDGPU_FAMILY_GC_11_5_0:
+ if (!dc->debug.dpia_debug.bits.disable_dpia)
+ return true;
+ break;
+
+ default:
+ break;
+ }
/* dmub aux needs dmub notifications to be enabled */
return dc->debug.enable_dmub_aux_for_legacy_ddc;
+
}
/**